25326 has 32 divisors (see below), whose sum is σ = 65280. Its totient is φ = 7128.

The previous prime is 25321. The next prime is 25339. The reversal of 25326 is 62352.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 25299 and 25308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345 + ... + 411.

It is an arithmetic number, because the mean of its divisors is an integer number (2040).

2²⁵³²⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25326, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32640).

25326 is an abundant number, since it is smaller than the sum of its proper divisors (39954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25326 is a wasteful number, since it uses less digits than its factorization.

25326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85 (or 79 counting only the distinct ones).

The product of its digits is 360, while the sum is 18.

The square root of 25326 is about 159.1414465185. The cubic root of 25326 is about 29.3667262046.

Adding to 25326 its reverse (62352), we get a palindrome (87678).

It can be divided in two parts, 25 and 326, that added together give a triangular number (351 = T₂₆).

The spelling of 25326 in words is "twenty-five thousand, three hundred twenty-six".